Kimberly Pirtle, a fast-rising auctioneer at Sotheby’s, has left the corporate to begin her personal agency, Gabriel Advisory Group, a follow that goals to bridge artwork advisory and cultural philanthropy.
Pirtle, who labored in Sotheby’s collectors group and rapidly moved into auctioneering, mentioned the thought grew out of a niche she stored working into with purchasers. On the public sale home, the main target was clear: transactions. However most of the collectors she labored with have been considering extra broadly—about artists, establishments, and the way their amassing match into a bigger ecosystem.
“They have been intentional,” she mentioned of her purchasers, describing collectors who needed to help artists and establishments, and never solely purchase objects. That sort of considering, she discovered, didn’t match neatly contained in the construction of an public sale home.
Gabriel Advisory Group is her try to formalize a unique method. The agency works throughout each the first and secondary markets, advising collectors on acquisitions whereas additionally guiding philanthropic technique and institutional engagement. For some purchasers, meaning navigating auctions and gallery relationships. For others, it means shaping charitable gifting methods or working extra intently with museums and foundations.
The mannequin displays Pirtle’s personal path. Along with her work at Sotheby’s, she grew to become a daily presence on the profit public sale circuit, working with organizations together with the Pratt Institute, the Bronx Museum of the Arts, the Queens Museum, and the Gordon Parks Basis. That have uncovered a unique set of wants—fundraising technique, donor cultivation, and long-term institutional help—that went properly past the public sale room.
“What I began to see is that it’s typically the identical particular person,” Pirtle mentioned, referring to these lively throughout the profit auctions she auctioneered. “Probably the most engaged collectors are additionally deeply concerned in philanthropy.”
That overlap is the place she sees alternative. Fairly than treating amassing and giving as separate lanes, Gabriel Advisory positions them as a part of a single, extra built-in follow.
Pirtle can also be sustaining a task as a VIP advisor with Frieze, the artwork honest firm. She described that relationship as one which retains her near how selections, notably within the main market, are made in actual time.
Extra just lately, advisers have begun increasing their purview past acquisitions into property planning, assortment administration, and institutional technique, and Pirtle sees her pitch as one which hyperlinks these strands ought to collectively, reasonably than having them be pieced out throughout totally different specialists.
For now, the agency is small and intentionally so. However the ambition is obvious: to construct a follow that displays how collectors really function, reasonably than how the market has historically divided itself.



